Rename .java to .kt
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/*
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* Copyright 2015-2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Color;
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import android.graphics.drawable.Animatable;
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import android.graphics.drawable.AnimatedImageDrawable;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.TransitionDrawable;
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import android.util.AttributeSet;
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import android.view.View;
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import androidx.annotation.DrawableRes;
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import androidx.annotation.IntDef;
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import androidx.annotation.NonNull;
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import androidx.core.content.ContextCompat;
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import com.hippo.drawable.PreciselyClipDrawable;
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import com.hippo.ehviewer.R;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import coil.Coil;
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import coil.request.Disposable;
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import coil.request.ImageRequest;
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public class LoadImageView extends FixedAspectImageView implements View.OnClickListener, View.OnLongClickListener, Animatable {
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public static final int RETRY_TYPE_NONE = 0;
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public static final int RETRY_TYPE_CLICK = 1;
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public static final int RETRY_TYPE_LONG_CLICK = 2;
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private static final String TAG = LoadImageView.class.getSimpleName();
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private String mKey;
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private String mUrl;
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private boolean mUseNetwork;
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private int mOffsetX = Integer.MIN_VALUE;
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private int mOffsetY = Integer.MIN_VALUE;
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private int mClipWidth = Integer.MIN_VALUE;
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private int mClipHeight = Integer.MIN_VALUE;
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private int mRetryType;
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private boolean mFailed;
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private boolean mLoadFromDrawable = false;
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private Disposable task = null;
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public LoadImageView(Context context) {
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super(context);
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init(context, null, 0);
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}
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public LoadImageView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context, attrs, 0);
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}
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public LoadImageView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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init(context, attrs, defStyle);
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}
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private void init(Context context, AttributeSet attrs, int defStyleAttr) {
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LoadImageView, defStyleAttr, 0);
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setRetryType(a.getInt(R.styleable.LoadImageView_retryType, 0));
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a.recycle();
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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if (!mLoadFromDrawable) {
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if (mFailed) {
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onFailure();
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} else if (task != null && task.isDisposed()) {
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load(mKey, mUrl, mUseNetwork);
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}
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}
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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if (!mLoadFromDrawable) {
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if (task != null && !task.isDisposed()) {
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// Cancel
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task.dispose();
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// Clear drawable
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clearDrawable();
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}
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}
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}
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private Drawable getImageDrawable() {
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Drawable drawable = getDrawable();
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if (drawable instanceof TransitionDrawable transitionDrawable) {
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if (transitionDrawable.getNumberOfLayers() == 2) {
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drawable = transitionDrawable.getDrawable(1);
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}
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}
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if (drawable instanceof PreciselyClipDrawable) {
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drawable = ((PreciselyClipDrawable) drawable).getWrappedDrawable();
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}
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return drawable;
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}
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private void clearDrawable() {
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// Set drawable null
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setImageDrawable(null);
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}
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private void clearRetry() {
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if (mRetryType == RETRY_TYPE_CLICK) {
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setOnClickListener(null);
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setClickable(false);
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} else if (mRetryType == RETRY_TYPE_LONG_CLICK) {
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setOnLongClickListener(null);
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setLongClickable(false);
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}
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}
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public void setRetryType(@RetryType int retryType) {
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if (mRetryType != retryType) {
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int oldRetryType = mRetryType;
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mRetryType = retryType;
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if (mFailed) {
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if (oldRetryType == RETRY_TYPE_CLICK) {
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setOnClickListener(null);
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setClickable(false);
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} else if (oldRetryType == RETRY_TYPE_LONG_CLICK) {
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setOnLongClickListener(null);
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setLongClickable(false);
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}
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if (retryType == RETRY_TYPE_CLICK) {
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setOnClickListener(this);
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} else if (retryType == RETRY_TYPE_LONG_CLICK) {
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setOnLongClickListener(this);
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}
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}
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}
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}
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public void setClip(int offsetX, int offsetY, int clipWidth, int clipHeight) {
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mOffsetX = offsetX;
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mOffsetY = offsetY;
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mClipWidth = clipWidth;
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mClipHeight = clipHeight;
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}
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public void resetClip() {
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mOffsetX = Integer.MIN_VALUE;
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mOffsetY = Integer.MIN_VALUE;
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mClipWidth = Integer.MIN_VALUE;
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mClipHeight = Integer.MIN_VALUE;
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}
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public void load(String key, String url) {
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load(key, url, true);
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}
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public void load(String key, String url, boolean useNetwork) {
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if (url == null || (key == null)) {
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return;
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}
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mFailed = false;
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clearRetry();
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mKey = key;
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mUrl = url;
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mUseNetwork = useNetwork;
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var imageLoader = Coil.imageLoader(getContext());
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var request = new ImageRequest.Builder(getContext()).data(url).memoryCacheKey(key).diskCacheKey(key).target(
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drawable -> {
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onWait();
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return null;
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},
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drawable -> {
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onFailure();
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return null;
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},
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drawable -> {
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onGetValue(drawable);
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return null;
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}
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).build();
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task = imageLoader.enqueue(request);
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}
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public void load(Drawable drawable) {
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unload();
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onPreSetImageDrawable(drawable, true);
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setImageDrawable(drawable);
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}
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public void load(@DrawableRes int id) {
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unload();
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mLoadFromDrawable = true;
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onPreSetImageResource(id, true);
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setImageResource(id);
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}
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public void unload() {
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task.dispose();
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mKey = null;
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mUrl = null;
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clearDrawable();
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}
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public void onWait() {
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clearDrawable();
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}
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public void onGetValue(Drawable drawable) {
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clearDrawable();
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if (Integer.MIN_VALUE != mOffsetX) {
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drawable = new PreciselyClipDrawable(drawable, mOffsetX, mOffsetY, mClipWidth, mClipHeight);
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}
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onPreSetImageDrawable(drawable, true);
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if (isShown()) {
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Drawable[] layers = new Drawable[2];
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layers[0] = new ColorDrawable(Color.TRANSPARENT);
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layers[1] = drawable;
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TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
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setImageDrawable(transitionDrawable);
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transitionDrawable.startTransition(300);
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} else {
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setImageDrawable(drawable);
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}
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}
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public void onFailure() {
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mFailed = true;
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clearDrawable();
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Drawable drawable = ContextCompat.getDrawable(getContext(), R.drawable.image_failed);
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onPreSetImageDrawable(drawable, true);
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setImageDrawable(drawable);
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if (mRetryType == RETRY_TYPE_CLICK) {
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setOnClickListener(this);
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} else if (mRetryType == RETRY_TYPE_LONG_CLICK) {
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setOnLongClickListener(this);
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} else {
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// Can't retry, so release
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mKey = null;
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mUrl = null;
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}
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}
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public void onCancel() {
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mFailed = false;
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}
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@Override
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public void start() {
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Drawable drawable = getImageDrawable();
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if (drawable instanceof AnimatedImageDrawable animatedImageDrawable) {
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animatedImageDrawable.start();
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}
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}
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@Override
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public void stop() {
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Drawable drawable = getImageDrawable();
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if (drawable instanceof AnimatedImageDrawable animatedImageDrawable) {
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animatedImageDrawable.stop();
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}
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}
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@Override
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public boolean isRunning() {
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Drawable drawable = getImageDrawable();
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if (drawable instanceof AnimatedImageDrawable animatedImageDrawable) {
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return animatedImageDrawable.isRunning();
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} else {
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return false;
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}
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}
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@Override
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public void onClick(@NonNull View v) {
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load(mKey, mUrl, true);
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}
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@Override
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public boolean onLongClick(@NonNull View v) {
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load(mKey, mUrl, true);
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return true;
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}
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public void onPreSetImageDrawable(Drawable drawable, boolean isTarget) {
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}
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public void onPreSetImageResource(int resId, boolean isTarget) {
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}
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@IntDef({RETRY_TYPE_NONE, RETRY_TYPE_CLICK, RETRY_TYPE_LONG_CLICK})
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@Retention(RetentionPolicy.SOURCE)
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private @interface RetryType {
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}
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}
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